Streusel-Pecan Sweet Potatoes

Potatoes
1½	cups half-and-half
1 1/3	cups boiling water
¼	cup butter, melted
1	box (6.3 oz) Betty Crocker sweet potato mashed potatoes
½	teaspoon grated orange peel
¼	teaspoon salt
¼	teaspoon ground cinnamon
¼	teaspoon ground nutmeg
Topping
¼	cup packed brown sugar
3	tablespoons all-purpose flour
2	tablespoons butter, softened
½	cup pecan halves or chopped pecans

Heat oven to 350°F. In 1½-quart casserole, mix half-and-half, boiling water and melted butter. Add contents of 2 pouches potatoes with seasoning (from potatoes box) and remaining potatoes ingredients; stir well. In small bowl, mix brown sugar and flour. With fork, cut in 2 tablespoons butter until crumbly. Stir in pecans; sprinkle over top. Bake uncovered 30 minutes or until topping is golden.